Medan weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Medan in September. Check more long-term weather averages for Medan in September before you book your next holiday to Indonesia in 2025/2026.

  • 32°C maximum daytime temperature in September in Medan32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in September in Medan14
    14 days with some rainfall
  • 22°C minimum night-time temperature in September in Medan22
    22°C min night temperature
  • 12 hours of daylight per day in September in Medan12
    12 hours of daylight per day
  • Very high heat & humidity in September in MedanVH
    Very High heat & humidity
  • 269 mm monthly rainfall in September in Medan269
    269 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Medan11
    11+ (Extreme) UV index

More about Medan

Medan by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Indonesia

TUI discount code: up to £300 off 2025/2026 holidays

  • Save up to £300 on package holidays in 2025/2026
  • Book in TUI sale. Discount varies by spend. T&Cs apply
  • Travel between 1st May 2025 & 31st Oct 2026 (inclusive)
Show discount codeShow discount code ******ALE
Redeem TUI discount code >>

Expires at 10:00 on Friday 31st Jan 2025 · View all TUI offers

TUITUI deal finder

The September weather guide for Indonesia (Medan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Indonesia

How hot is it in Medan in September?

Daytime temperatures usually reach 32°C in Medan in September with very high heat and humidity, falling to 22°C at night.

How sunny is it in Medan in September?

There are normally 5 hours of bright sunshine each day in Medan in September - that's 45% of daylight hours.

Does it rain in Medan in September?

There are usually 14 days with some rain in Medan in September and the average monthly rainfall is 269mm.

Medan September sunrise & sunset times

Browse the sunrise and sunset times for Medan in September 2025. Select a month to view Medan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:20 18:31
Monday, 15th September 2025 06:16 18:24
Tuesday, 30th September 2025 06:13 18:18

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^